Darius Rucker says he has wanted to record a song called "Straight to Hell" for years, maybe since he first heard it almost 30 years ago. But it took a chance phone call from Charles Kelley to get it done.

There are many -- too many -- country stars who have had cancer or have been personally affected by it in some way. The truth is, almost everyone knows someone who's battling against the horrific disease, and it does not discriminate based on age, fame, fortune or even good health.